diff options
Diffstat (limited to 'src/gallium/auxiliary/util/u_math.h')
| -rw-r--r-- | src/gallium/auxiliary/util/u_math.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/util/u_math.h b/src/gallium/auxiliary/util/u_math.h index b4ac0db3c50..0a829158b11 100644 --- a/src/gallium/auxiliary/util/u_math.h +++ b/src/gallium/auxiliary/util/u_math.h @@ -518,9 +518,15 @@ u_bit_scan64(uint64_t *mask) static inline void u_bit_scan_consecutive_range(unsigned *mask, int *start, int *count) { + if (*mask == 0xffffffff) { + *start = 0; + *count = 32; + *mask = 0; + return; + } *start = ffs(*mask) - 1; *count = ffs(~(*mask >> *start)) - 1; - *mask &= ~(((1 << *count) - 1) << *start); + *mask &= ~(((1u << *count) - 1) << *start); } /** |